Explain what is distributed cache in mapreduce framework?
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Explain the process of spilling in MapReduce?
Explain about the partitioning, shuffle and sort phase in MapReduce?
what are the most common input formats defined in Hadoop?
List the configuration parameters that have to be specified when running a MapReduce job.
Why Hadoop MapReduce?
what does the text input format do?
How to specify more than one directory as input in the Hadoop MapReduce Program?
What is the input type/format in MapReduce by default?
when do reducers play their role in a mapreduce task?
Can there be no Reducer?
What does conf.setmapper class do?
What is mapreduce algorithm?
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